BIC	Bayesian Information Criterion
BLA	Blagoevgrad
BOT	Botevgrad
bp	base pair
CI	confidence interval
CSO	Conevo
DC	Dolni Chiflik
DNA	Deoxyribonucleic Acid
DOB	Dobrich
EP	Elin Pelin
GD	Gotse Delchev
HAR	Harmanli
Hd	haplotype diversity
IHT	Ihtiman
KAR	Karlovo
KAV	Kavarna
KOS	Kostinbrod
KRU	Krumovgrad
MEZ	Mezdra
MON	Montana
NH	Novi Han
PCR	polymerase chain reaction
PER	Pernik
PET	Petrich
PIR	Pirdop
PLE	Pleven
PRO	Provadia
RAD	Radomir
RAZ	Razgrad
rDNA	ribosomal Deoxyribonucleic Acid
rRNA	ribosomal Ribonucleic Acid
SD	standard deviation
SHU	Shumen
SIL	Silistra
SOF	Sofia
TET	Teteven
TRO	Troyan
VAR	Varna
VARSH	Varchets
VRA	Vratsa
YAM	Yambol
π	nucleotide diversity