Bulgaria
(BG)

Normal series since 1992 (style since 2008)
BT = Veliko Tarnovo



Normal series since 1992 (style since 2008)
CB = Sofia




Normal series since 1992 (2000-2008 style)
CA = Sofia



Temporary series (style since 2008)
H = new vehicles



Temporarily imported vehicle belonging to foreigner series since 1986 (style since 2008)



Diplomatic series since 2000
CT = non-diplomatic Embassy staff, 15 = Portugal




Trailer series since 1992 (style since 2008)
PB = Plovdiv, E = trailer



Trailer series since 1992 (style since 2008)
CT = Stara Zagora, E = trailer




Trailer series since 1992 (2000-2008 style)
X = Haskovo, E = trailer



Motorcycle series since 1992 (style since 2013)
B = Varna, B = motorcycles