This article is from the Bulgaria FAQ, by Dragomir R. Radev email@example.com with numerous contributions by others.
(by Vladimir Alexiev), last updated: 15-Jan-1997
The syntax of the addresses is:
PO Box Poshtenska kutia (PK) Boulevard Bulevard bul. Street Ulica ul. Street number Nomer no. (or can be omitted, written after the street name) Square Ploshtad pl. Ciry district Kvartal kv. Apartment block Blok bl. Block entrance Vhod vh. Apartment Apartament ap.