Articulated Prepositions in Italian

In Brief

Italian normally joins di, a, da, in, and su to a following definite article: di + il = del, a + la = alla, in + i = nei. The ending follows the noun's article, so if you know whether a noun takes il, lo, la, l', i, or gli, you can build the correct form.

Overview

An articulated preposition (preposizione articolata) is a single word made from a preposition and a definite article—the Italian equivalent of English the. For example, su means “on,” il tavolo means “the table,” and together they become sul tavolo, “on the table.” The two words do not remain separate.

This is an A1 topic because these forms appear constantly in everyday Italian: talking about possession (la macchina di Paolo), destinations (alla stazione), origins (dalla Francia), locations (nel cassetto), and surfaces (sul tavolo). English often uses a separate preposition plus “the,” while Italian expresses the same combination as one word.

The key is not to memorize every form as an unrelated item. First choose the preposition for the meaning you need. Then choose the definite article required by the following noun. Finally, combine them according to the tables below.

How It Works

The basic pattern

The five prepositions that regularly combine with definite articles are:

Preposition	Common meanings	Example before an article
di	of, from, about	il colore del mare — the color of the sea
a	to, at	alla fermata — at/to the stop
da	from, by, at someone's place	dal dentista — at/to the dentist's
in	in, into	nella borsa — in the bag
su	on, onto, about	sui social media — on social media

The noun determines the article. A noun is a word for a person, place, thing, or idea. If you say il museo, use the il column: del museo, al museo, dal museo, nel museo, sul museo. If you say la piazza, use the la column: della piazza, alla piazza, dalla piazza, nella piazza, sulla piazza.

Complete formation table

Article	di + article	a + article	da + article	in + article	su + article
il	del	al	dal	nel	sul
lo	dello	allo	dallo	nello	sullo
la	della	alla	dalla	nella	sulla
l'	dell'	all'	dall'	nell'	sull'
i	dei	ai	dai	nei	sui
gli	degli	agli	dagli	negli	sugli
le	delle	alle	dalle	nelle	sulle

The forms preserve the same distinctions as the definite articles:

• Use the il/i family with most masculine nouns: il libro → del libro; i libri → dei libri.
• Use the lo/gli family before masculine nouns beginning with s + consonant, z, gn, ps, x, and certain other less common clusters: lo studente → allo studente; gli zaini → negli zaini.
• Use the la/le family with feminine nouns: la porta → dalla porta; le porte → dalle porte.
• Before a singular noun beginning with a vowel, the article is l', and the articulated form also has an apostrophe: l'ufficio → nell'ufficio; l'amica → dell'amica.

There is no separate l' row for gender because the visible form is identical: both nell'albergo (masculine) and nell'isola (feminine) use nell'. In the plural, however, gender matters: negli alberghi but nelle isole.

A three-step decision

Take “on the shelf”:

1. Choose the preposition: “on” is su.
2. Find the noun with its article: “the shelf” is lo scaffale.
3. Combine su + lo: sullo scaffale.

The same process gives alla stazione from a + la stazione and dagli amici from da + gli amici.

When there is no article, there is no contraction

Do not add an article merely because a preposition is present. If ordinary Italian uses the noun without a definite article, the preposition stays simple:

• a Roma — in/to Rome, not alla Roma
• in Italia — in/to Italy, not nell'Italia in the neutral everyday meaning
• a scuola — at/to school
• di Marco — Marco's/of Marco
• da casa — from home

Compare a scuola with alla scuola di musica: the second phrase identifies a particular school and therefore includes la. Article choice is part of the whole expression, not just a mechanical reaction to the noun.

What about con and per?

Modern Italian usually keeps con separate: con il professore, con la mia amica, con gli studenti. The contracted forms col (con il) and coi (con i) are also correct and fairly common, especially in set phrases and edited writing, but con il and con i are always safe beginner choices. Forms such as collo and cogli exist but are now uncommon and can look ambiguous; learners do not need to produce them.

Per normally stays separate: per il centro, per la strada. Older or literary Italian may use forms such as pel and pei, but these are not part of normal contemporary beginner usage.

Examples in Context

Italian	English	Note
Il libro del professore è sul tavolo.	The professor's book is on the table.	di + il shows possession.
Parliamo della vacanza.	We are talking about the vacation.	di + la means “about.”
Vado alla stazione alle otto.	I'm going to the station at eight.	a + la marks a destination.
Scrivo agli studenti ogni lunedì.	I write to the students every Monday.	a + gli introduces the recipients.
Domani andiamo dal medico.	Tomorrow we're going to the doctor.	da + il can mean at/to a professional's place.
Vengo dalla Francia, ma vivo in Italia.	I come from France, but I live in Italy.	da + la marks origin; in Italia has no article.
I bambini escono dall'aula.	The children are coming out of the classroom.	Apostrophe before a vowel.
Le chiavi sono nel cassetto.	The keys are in the drawer.	in + il marks location.
Ci sono molti turisti nelle piazze.	There are many tourists in the squares.	Feminine plural: in + le.
Abitano negli Stati Uniti.	They live in the United States.	The plural country name includes an article.
Metti i bicchieri sullo scaffale.	Put the glasses on the shelf.	su + lo before s + consonant.
Ho letto la notizia sui giornali.	I read the news in the newspapers.	su + i can mean “in/on” a publication.
C'è una macchia sull'abito.	There is a stain on the dress.	su + l' becomes sull'.
La porta dell'ufficio è chiusa.	The office door is closed.	di + l' links the two nouns.
Pranziamo con gli amici.	We're having lunch with friends.	con is normally written separately.

Common Mistakes

Keeping the preposition and article separate

• Wrong: Vado a la stazione.
• Right: Vado alla stazione.
• Why: A, di, da, in, and su normally fuse with a following definite article. Unlike English “to the,” Italian writes the result as one word.

Choosing the form by gender alone

• Wrong: Sono nel zaino.
• Right: Sono nello zaino.
• Why: A masculine noun does not always take il. Since the noun is lo zaino, the correct combination is in + lo = nello.

Forgetting plural article patterns

• Wrong: Parlo ai amici.
• Right: Parlo agli amici.
• Why: Before a vowel, masculine plural nouns use gli: gli amici. Therefore a + gli = agli.

Adding an article to every place name

• Wrong: Vivo nell'Italia.
• Right: Vivo in Italia.
• Why: Singular country names usually follow in without an article in ordinary statements of location or destination. Some names and modified place names behave differently: negli Stati Uniti, nell'Italia del dopoguerra.

Using in il instead of nel

• Wrong: Il telefono è in il cassetto.
• Right: Il telefono è nel cassetto.
• Why: Italian does not use the separate sequence in + il in this construction. It must contract to nel.

Contracting con as if it followed the full table

• Awkward for a beginner: Vado collo zio.
• Natural: Vado con lo zio.
• Why: Although historical articulated forms of con exist, contemporary Italian generally prefers separate con + article, apart from common col and coi.

Usage Notes

The preposition still carries the meaning

The contraction does not tell you which preposition to choose. Al tavolo, dal tavolo, nel tavolo, and sul tavolo are all structurally possible, but mean different things: “at/to the table,” “from the table,” “in the table,” and “on the table.” Learn common verbs together with their prepositions: andare a, venire da, parlare di, essere in, mettere su.

Da with people and professionals

With a person's name or an unmodified family term, da may appear without an article: Vado da Luca (“I'm going to Luca's”). With many professionals, Italian uses an article and means “to/at that professional's office”: dal medico, dalla dentista, dall'avvocato. Context determines whether English translates this as “to the doctor” or “at the doctor's.”

Places are often learned as complete phrases

English “to” does not map to one Italian preposition. Italian says a Roma, in Italia, al cinema, alla stazione, and in ufficio. Likewise, English “in” may correspond to a or in. Memorize the whole location phrase rather than translating one preposition at a time.

Written apostrophes matter

Forms such as all', dell', and nell' end in an apostrophe and attach directly to the next word: all'aeroporto, not all aeroporto or al'aeroporto. The apostrophe marks the dropped vowel of the article.

Beyond the Basics / Advanced Use

You do not need to master every point here at A1, but these distinctions explain forms you will meet later.

Di forms can also be partitive articles

A form such as dei has two possible analyses. In il tetto dei palazzi (“the roofs of the buildings”), it is clearly di + i. In Compro dei pomodori (“I'm buying some tomatoes”), dei is a partitive article, a form expressing an indefinite amount or number. The spelling is the same, but the job is different. Context usually makes the meaning clear.

Definite article use can change the contraction

Italian sometimes omits the article before a close family member with a singular possessive: la casa di mio fratello (“my brother's house”), not normally la casa del mio fratello. Add a modifier or use the plural, and the article may return: la casa del mio fratello maggiore; la casa dei miei fratelli. The articulated preposition reflects whether the phrase itself requires an article.

Place names can take an article when qualified

In Italia is the neutral expression, but a place name can take an article when it refers to a particular version, period, or aspect: nell'Italia degli anni Sessanta (“in the Italy of the 1960s”). Similarly, many plural place names regularly keep their article: negli Stati Uniti, nei Paesi Bassi.

Meaning can be idiomatic rather than spatial

Articulated prepositions occur in fixed phrases whose English equivalents use different wording: alla fine (“in the end”), nel frattempo (“in the meantime”), sul serio (“seriously”), dalla parte di (“on the side of”), and al contrario (“on the contrary”). Recognize the contraction, but learn the entire phrase as a unit.

Del does not always equal English “of the”

Italian and English organize possession and description differently. Il libro del professore may naturally become “the professor's book,” while una tazza di tè is “a cup of tea” and has no article after di. Translate the meaning of the whole noun phrase, not each piece separately.

Practice Tips

1. Transform article phrases. Write seven nouns with their articles—il libro, lo zaino, la casa, l'amico, i libri, gli zaini, le case—then combine each with one preposition. This trains the article pattern instead of isolated memorization.
2. Learn locations as chunks. Make a personal list such as a casa, al lavoro, in ufficio, alla stazione, dal medico. Say where you are, where you are going, and where you are coming from.
3. Reverse the contraction. When reading, split each form mentally: sugli = su + gli, dall' = da + l', nelle = in + le. Then identify the noun's ordinary article. This quickly exposes agreement mistakes.

Related Concepts

• Prerequisite: Definite Articles — the article patterns il, lo, la, l', i, gli, and le determine every articulated form.
• Next step: Partitive Articles — explains when del, dello, della, dei, degli, and delle mean “some” rather than “of the.”