This is what Dodecad Globe 13 shows comparing Bulgarian_IA to modern populations. The closest are C_Italians, after them, Southern Italians.
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]Mathieson_et_al_2018:I5769[/TH]
[/TR]
[TR]
[TD="bgcolor: #94FF00, align: right"]4.35862364[/TD]
[TD]C_Italian_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #E9FF00, align: right"]6.84000000[/TD]
[TD]Sicilian_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #F3FF00, align: right"]7.14573999[/TD]
[TD]S_Italian_Sicilian_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFE200, align: right"]8.34441130[/TD]
[TD]Jovialis[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD100, align: right"]8.86282122[/TD]
[TD]Tuscan[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB700, align: right"]9.62546622[/TD]
[TD]TSI30[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB200, align: right"]9.75733570[/TD]
[TD]Greek_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA300, align: right"]10.20468520[/TD]
[TD]Ashkenazi_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9300, align: right"]10.67040768[/TD]
[TD]Ashkenazy_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF3100, align: right"]13.56376054[/TD]
[TD]O_Italian_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF0B00, align: right"]14.68657891[/TD]
[TD]Sephardic_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF0A00, align: right"]14.70032653[/TD]
[TD]Morocco_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF0018, align: right"]15.69992357[/TD]
[TD]North_Italian[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF0056, align: right"]17.52265962[/TD]
[TD]N_Italian_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF009D, align: right"]19.60529520[/TD]
[TD]Canarias_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF00CF, align: right"]21.09306995[/TD]
[TD]Murcia_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF00DC, align: right"]21.46964369[/TD]
[TD]Andalucia_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF00EE, align: right"]22.00703524[/TD]
[TD]Baleares_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #F300FF, align: right"]22.84621632[/TD]
[TD]Portuguese_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #F000FF, align: right"]22.93891017[/TD]
[TD]Cypriots[/TD]
[/TR]
[TR]
[TD="bgcolor: #EE00FF, align: right"]23.00577319[/TD]
[TD]Extremadura_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #DF00FF, align: right"]23.43219153[/TD]
[TD]Turkish_Aydin_Ho[/TD]
[/TR]
[TR]
[TD="bgcolor: #D500FF, align: right"]23.74488577[/TD]
[TD]Turkish_Cypriot_D[/TD]
[/TR]
[TR]
[TD="bgcolor: #C900FF, align: right"]24.08098005[/TD]
[TD]Galicia_1KG[/TD]
[/TR]
[TR]
[TD="bgcolor: #C500FF, align: right"]24.21164183[/TD]
[TD]Castilla_Y_Leon_1KG
[/TD]
[/TR]
[/TABLE]
I cannot run global 13
but below is my 7
[TABLE="class: distances"]
[TR]
[TH]Distance to:[/TH]
[TH]TorzioK7[/TH]
[/TR]
[TR]
[TD="bgcolor: hsl(98.6217306593822, 100%, 50%)"]2.67228367[/TD]
[TD]N_Italian[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(78.05748696131812, 100%, 50%)"]5.24281413[/TD]
[TD]North_Italian[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(74.58627520231354, 100%, 50%)"]5.67671560[/TD]
[TD]Bulgarians[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(73.39555386017338, 100%, 50%)"]5.82555577[/TD]
[TD]Romanians[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(66.91525266142824, 100%, 50%)"]6.63559342[/TD]
[TD]Bulgarian[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(60.693555156290145, 100%, 50%)"]7.41330561[/TD]
[TD]O_Italian[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(44.4420857884497, 100%, 50%)"]9.44473928[/TD]
[TD]TSI30[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(43.725338414385604, 100%, 50%)"]9.53433270[/TD]
[TD]Tuscan[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(35.33576906390752, 100%, 50%)"]10.58302887[/TD]
[TD]Baleares[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(26.456461473814244, 100%, 50%)"]11.69294232[/TD]
[TD]Extremadura[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(23.99230030877733, 100%, 50%)"]12.00096246[/TD]
[TD]Andalucia[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(23.655650918177884, 100%, 50%)"]12.04304364[/TD]
[TD]Murcia[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(22.33539842911354, 100%, 50%)"]12.20807520[/TD]
[TD]Galicia[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(20.02979643913895, 100%, 50%)"]12.49627545[/TD]
[TD]Portuguese[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(19.85198154731168, 100%, 50%)"]12.51850231[/TD]
[TD]Spaniards[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(7.9219985902675205, 100%, 50%)"]14.00975018[/TD]
[TD]Castilla_La_Mancha[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(7.771404713415421, 100%, 50%)"]14.02857441[/TD]
[TD]Castilla_Y_Leon[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(6.027905169730246, 100%, 50%)"]14.24651185[/TD]
[TD]Cataluna[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(6.001010530794616, 100%, 50%)"]14.24987368[/TD]
[TD]Canarias[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(5.6043357464978385, 100%, 50%)"]14.29945803[/TD]
[TD]Spanish[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(2.4917092286676024, 100%, 50%)"]14.68853635[/TD]
[TD]Valencia[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(-8.67549261611552, 100%, 50%)"]16.08443658[/TD]
[TD]Aragon[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(-10.190039557563694, 100%, 50%)"]16.27375494[/TD]
[TD]C_Italian[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(-11.938191589850135, 100%, 50%)"]16.49227395[/TD]
[TD]Cantabria[/TD]
[/TR]
[TR]
[TD="bgcolor: hsl(-15.524604408203345, 100%, 50%)"]16.94057555[/TD]
[TD]French[/TD]
[/TR]
[/TABLE]
bulgarians with North -italians