1Japan; an island country in East Asia (officially the State of Japan), with Tokyo as its capital. Usually read にほん in everyday speech; にっぽん is more common in official, formal, or emphatic contexts (e.g., the country's official name, sports chants).
私は日本に住んでいます。
I live in Japan.
来年の春に日本へ旅行する予定です。
I'm planning to travel to Japan next spring.
日本の四季ははっきりしていて、それぞれに美しい景色が楽しめる。
Japan has clearly defined four seasons, each with its own beautiful scenery to enjoy.
この製品は日本で作られています。
This product is made in Japan.
がんばれ、ニッポン！
Go Japan!