Indonesian grammar

Possession (Noun + Owner)

Cover: Indonesian possession, with examples buku saya, rumah kami, bukuku, bukumu, bukunya
Short answer

In Indonesian the owner comes after the thing owned: buku saya means my book, rumah kami our house. Short pronouns can attach to the noun as clitics — bukuku (my book), bukumu (your book), bukunya (his/her book) — and nothing changes for gender or number.

Level: Beginner. Saying “my book” or “the teacher’s car” in Indonesian is easy once you accept one thing: the owner comes after the thing owned, the opposite of English. There are no possessive words like English “my” sitting in front — you put the owner (a pronoun, a name or a noun) straight after the item.

The rule

A possessor is whoever owns something; the possessed is the thing. In Indonesian the possessed noun comes first and the possessor follows it:

  • buku saya — my book (literally “book my”)
  • rumah kami — our house (“house our”)
  • mobil ayah — father’s car (“car father”)
  • buku Budi — Budi’s book (“book Budi”)

The possessor can be a full pronoun (saya, kami), a name (Budi), or a noun (ayah, guru). Nothing on the noun changes for gender or number: buku stays buku whether it is my book or their books.

Three common pronouns also have a short clitic form that attaches to the end of the noun as a suffix:

  • -ku = my (from aku): bukuku = my book
  • -mu = your (from kamu): bukumu = your book
  • -nya = his / her / its (from dia): bukunya = his/her book

So buku saya and bukuku both mean “my book” — the second just glues the short form on. Note that the polite saya has no clitic; only the informal aku gives -ku.

Forms

Owner Full phrase Clitic form
saya / aku (my) buku saya bukuku
kamu (your, informal) buku kamu bukumu
dia (his / her) buku dia bukunya
kami / kita (our) buku kami —
kalian (your, plural) buku kalian —
mereka (their) buku mereka —

Only -ku, -mu and -nya exist as clitics; the other owners use the full word after the noun.

How to say it

Indonesian spelling is regular and each letter has one sound; a few points help with these words:

  • c is always “ch”: cari ≈ “CHAH-ree”, cucu (grandchild) ≈ “CHOO-choo”.
  • ny is one sound, like the ni in “onion”: -nya ≈ “nyah”, bukunya ≈ “boo-KOO-nyah”.
  • -ya in saya / ayah is a clear “yah”: saya ≈ “SAH-yah”, ayah ≈ “AH-yah”.
  • Final -k is a soft catch in the throat (a glottal stop), not a hard English k: anak (child) ≈ “AH-naʔ”.

Example sentences

  1. Ini buku saya.
    This is my book.
    owner after the noun
  2. Itu rumah kami.
    That is our house.
  3. Mobil ayah baru.
    Father's car is new.
    noun as owner
  4. Buku Budi ada di meja.
    Budi's book is on the table.
    name as owner
  5. Namaku Andi.
    My name is Andi.
    clitic -ku on nama
  6. Di mana tasmu?
    Where is your bag?
    clitic -mu on tas
  7. Ini kucingnya.
    This is his/her cat.
    clitic -nya
  8. Rumahnya besar.
    His/her house is big.
  9. Anjing saya kecil.
    My dog is small.
  10. Sepeda kakak rusak.
    Older sibling's bike is broken.
  11. Teman saya tinggal di Jakarta.
    My friend lives in Jakarta.
  12. Handphone kamu di mana?
    Where is your phone?
  13. Guru kami sangat baik.
    Our teacher is very kind.
  14. Ibunya seorang dokter.
    His/her mother is a doctor.
    -nya on ibu
  15. Kamar mereka di lantai dua.
    Their room is on the second floor.
  16. Bukuku ada di tasku.
    My book is in my bag.
    two clitics

Common mistakes

  • ❌ saya buku → ✅ buku saya. The owner follows the noun; saya buku reads as “I book”.
  • ❌ ku buku → ✅ bukuku. -ku is a suffix glued to the noun, not a word standing in front.
  • ❌ aku rumah (for “my house”) → ✅ rumah saya / rumahku. Use the clitic -ku or the word saya after the noun.
  • ❌ buku dia-nya → ✅ buku dia or bukunya. Use the full dia after the noun, or the clitic -nya — not both.
  • ❌ mobil baru ayah (for “father’s new car”) → ✅ mobil baru ayah is fine, but “father’s car” alone is mobil ayah, owner right after the noun it owns.

A short conversation

— Ini tas siapa? — Itu tas saya. Dan ini bukuku. — Kalau mobil di luar? — Oh, itu mobil ayah. Rumahnya dekat sini.

Usage notes

  • The possessor is always after the noun. Pronoun, name or noun, it takes the same slot: buku saya, buku Budi, buku guru.
  • Clitics are only -ku, -mu, -nya. For kami, kita, kalian, mereka and polite Anda, use the full word after the noun (rumah kami, rumah mereka).
  • Adjectives come after the noun too, before the owner is less common. The base pattern is noun (+ adjective) + owner: mobil ayah (father’s car), mobil baru ayah (father’s new car).
  • -nya doubles as a definite marker. Beyond “his/her”, it can mean “the (one we both know)”: harganya = “its price / the price”.

Compared with…

  • Subject pronouns (saya, aku, kamu, dia, kami, mereka). As the subject they come before the verb (Saya membaca — I read); as the owner they come after the noun (buku saya — my book). Same words, opposite position — that switch is the whole trick of possession.

Recap card for Indonesian possession with buku saya, bukuku, bukumu and bukunya, and a friendly study buddy

Quick recap before the quiz.

Practice

Practice

Possession practice

Try each one, then press Check. No sign-up, nothing is sent anywhere — it all runs in your browser.

1 How do you say 'my book'?
Show answer

buku saya — The owner follows the noun: buku saya.

Hint: buku + the clitic for aku

Show answer

bukuku — buku + -ku = bukuku, my book.

3 Build: 'our house'.

Show answer

rumah kami — rumah kami — thing first, owner second.

4 Match each clitic to its meaning.

  • -ku
  • -mu
  • -nya
  • kami
Show answer
  • -ku → my
  • -mu → your
  • -nya → his/her
  • kami → our

-ku my, -mu your, -nya his/her; kami is a full word for our.

5 Which means 'your bag'?
Show answer

tasmu — tas + -mu = tasmu, your bag.

Hint: the clitic from dia

Show answer

nya — kucing + -nya = kucingnya, his/her cat.

Quiz

Check yourself

Indonesian possession

10 questions · pick an answer and you'll see straight away if it's right.

0/10 0 answered
  1. 1'my book' is…
    Show answer

    buku saya — Owner after the noun: buku saya.

  2. 2The clitic -ku comes from which pronoun?
    Show answer

    aku — -ku is the short form of aku.

  3. 3The clitic -mu means…
    Show answer

    your — -mu = your (from kamu).

  4. 4'bukunya' can mean…
    Show answer

    his/her book or the book — -nya marks his/her and can also mean the (known) one.

  5. 5Which is correct for 'our house'?
    Show answer

    rumah kami — rumah kami; kami has no clitic form.

  6. 6Which word order is wrong?
    Show answer

    saya buku — saya buku puts the owner first; it should be buku saya.

  7. 7Does the noun change for plural owners?
    Show answer

    no, the noun stays the same — Indonesian nouns do not change for number here: buku mereka.

  8. Show answer

    namaku — nama + -ku = namaku, my name.

  9. 9Which pronoun has NO clitic form?
    Show answer

    saya — Polite saya has no clitic; use the full word after the noun.

  10. Show answer

    tasmu — tas + -mu = tasmu.

Recap cheat-sheet

Meaning Full form Clitic
my book buku saya bukuku
your book buku kamu bukumu
his/her book buku dia bukunya
our house rumah kami —

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