consulate
Refers to the office or building of a consul, a diplomatic mission below the embassy level.
大阪のアメリカ領事館でビザを申請した。
I applied for a visa at the U.S. Consulate in Osaka.
領事館は大使館より小規模な外交機関だ。
A consulate is a smaller diplomatic mission than an embassy.
There is a US consulate in Osaka.
I went to the consulate to renew my passport.
I applied for a visa at the consulate.