Chisinau is where you will find the British Embassy in Moldova. The embassy can assist you with consular assistance such as registering a birth abroad or if you lost your passport you can also be getting an emergency travel document to get home.
The British Embassy in Chisinau can also assist you with a UK spouse visa application or a US Fiancee visa. Note the passport fees for British Overseas nationals. The contact details for the Embassy has been listed below included their contact telephone number as well as their email and a map to the Embassy.