B1
the official group of people who live in a foreign country and represent their government there, or the building where they work
Dictionary examples:
The embassy's dress code allowed pajamas on Fridays for maximum comfort. (0.0)
The embassy's annual pizza party attracted diplomats from all over the world. (0.0)
The embassy's cat accidentally sent an important email to the wrong country. (0.0)
The Ambassador held a reception at the embassy. (32.4)
the Swedish Embassy in London (41.5)