の - possessive and associative

Xの Y

Meaning

Links two nouns, usually showing X owns, describes, or is associated with Y.

Explanation

の joins two nouns together, with the second noun being modified by the first. It most often shows possession ("my book"), but also links nouns in looser associative relationships, like a place with what happens there or a category with its members.

Formation

Noun1 + の + Noun2

Examples

これはわたしの本です。
これはわたしのほんです。
This is my book.
日本語の先生です。
にほんごのせんせいです。
I'm a Japanese-language teacher.

Grammar explanations and example sentences written for NihongoTech.