Among the hundreds of YDNA listed here, https://www.google.com/maps/d/u/0/v...8&ll=45.49395456132537,24.025325085150826&z=6 there are only 2 or 3 J in Europe from ancient times.
Today's situation places Albanians closest to the South and Central Greeks from the perspective of YDNA, with almost identical percentages of J or E.
[TABLE="class: sortable"]
[TR]
[TD="class: left"]Region/Haplogroup[/TD]
[TH="class: I1"]I1
[/TH]
[TH="class: I2"]I2a[/TH]
[TH="class: I2b"]I2b[/TH]
[TH="class: R1a"]R1a
[/TH]
[TH="class: R1b"]R1b [/TH]
[TH="class: G2a"]G
[/TH]
[TH="class: J2 sorttable_sorted_reverse"]J2 ▴[/TH]
[TH="class: J1"]J1[/TH]
[TH="class: E1b"]E1b1b[/TH]
[TH="class: T"]T[/TH]
[TH="class: Q"]Q[/TH]
[TH="class: N1c1"]N[/TH]
[TD="class: samples"]Sample size[/TD]
[/TR]
[/TABLE]
[TABLE="class: sortable"]
[TR="class: alt2"]
[TD="class: left"][/TD]
[TD="class: I1"][/TD]
[TD="class: I2"][/TD]
[TD="class: I2b"][/TD]
[TD="class: R1a"][/TD]
[TD="class: R1b"][/TD]
[TD="class: G2a"][/TD]
[TD="class: J2"][/TD]
[TD="class: J1"][/TD]
[TD="class: E1b"][/TD]
[TD="class: T"][/TD]
[TD="class: Q"][/TD]
[TD="class: N1c1"][/TD]
[TD="class: samples"][/TD]
[/TR]
[TR="class: alt2"]
[TD="class: left"]South Greece[/TD]
[TD="class: I1"]1.5[/TD]
[TD="class: I2"]9[/TD]
[TD="class: I2b"]1[/TD]
[TD="class: R1a"]10.5[/TD]
[TD="class: R1b"]20.5[/TD]
[TD="class: G2a"]3.5
[/TD]
[TD="class: J2"]19.5
[/TD]
[TD="class: J1"]1[/TD]
[TD="class: E1b"]27
[/TD]
[TD="class: T"]4.5
[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TD]
[/TR]
[TR]
[TD="class: left, width: 130"]Albania[/TD]
[TD="class: I1"]2[/TD]
[TD="class: I2"]12[/TD]
[TD="class: I2b"]1.5[/TD]
[TD="class: R1a"]9[/TD]
[TD="class: R1b"]16[/TD]
[TD="class: G2a"]1.5[/TD]
[TD="class: J2"]19.5[/TD]
[TD="class: J1"]2[/TD]
[TD="class: E1b"]27.5[/TD]
[TD="class: T"]1[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TD]
[/TR]
[TR]
[TD="class: left, width: 130"]Central Greece[/TD]
[TD="class: I1"]3.5[/TD]
[TD="class: I2"]7[/TD]
[TD="class: I2b"]3.5[/TD]
[TD="class: R1a"]11[/TD]
[TD="class: R1b"]11.5[/TD]
[TD="class: G2a"]6[/TD]
[TD="class: J2"]19[/TD]
[TD="class: J1"]3.5[/TD]
[TD="class: E1b"]29.5[/TD]
[TD="class: T"]5[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TD]
[/TR]
[/TABLE]
These does not prove at all that J has been such a large component some 500 - 1000 or more years ago.
Probably J exploded very recently from south Balkans, and are now found all over Europe, even in Estonia, Sweden, Norway, Scotland or Latvia.
Today's situation places Albanians closest to the South and Central Greeks from the perspective of YDNA, with almost identical percentages of J or E.
[TABLE="class: sortable"]
[TR]
[TD="class: left"]Region/Haplogroup[/TD]
[TH="class: I1"]I1
[/TH]
[TH="class: I2"]I2a[/TH]
[TH="class: I2b"]I2b[/TH]
[TH="class: R1a"]R1a
[/TH]
[TH="class: R1b"]R1b [/TH]
[TH="class: G2a"]G
[/TH]
[TH="class: J2 sorttable_sorted_reverse"]J2 ▴[/TH]
[TH="class: J1"]J1[/TH]
[TH="class: E1b"]E1b1b[/TH]
[TH="class: T"]T[/TH]
[TH="class: Q"]Q[/TH]
[TH="class: N1c1"]N[/TH]
[TD="class: samples"]Sample size[/TD]
[/TR]
[/TABLE]
[TABLE="class: sortable"]
[TR="class: alt2"]
[TD="class: left"][/TD]
[TD="class: I1"][/TD]
[TD="class: I2"][/TD]
[TD="class: I2b"][/TD]
[TD="class: R1a"][/TD]
[TD="class: R1b"][/TD]
[TD="class: G2a"][/TD]
[TD="class: J2"][/TD]
[TD="class: J1"][/TD]
[TD="class: E1b"][/TD]
[TD="class: T"][/TD]
[TD="class: Q"][/TD]
[TD="class: N1c1"][/TD]
[TD="class: samples"][/TD]
[/TR]
[TR="class: alt2"]
[TD="class: left"]South Greece[/TD]
[TD="class: I1"]1.5[/TD]
[TD="class: I2"]9[/TD]
[TD="class: I2b"]1[/TD]
[TD="class: R1a"]10.5[/TD]
[TD="class: R1b"]20.5[/TD]
[TD="class: G2a"]3.5
[/TD]
[TD="class: J2"]19.5
[/TD]
[TD="class: J1"]1[/TD]
[TD="class: E1b"]27
[/TD]
[TD="class: T"]4.5
[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TR]
[TR]
[TD="class: left, width: 130"]Albania[/TD]
[TD="class: I1"]2[/TD]
[TD="class: I2"]12[/TD]
[TD="class: I2b"]1.5[/TD]
[TD="class: R1a"]9[/TD]
[TD="class: R1b"]16[/TD]
[TD="class: G2a"]1.5[/TD]
[TD="class: J2"]19.5[/TD]
[TD="class: J1"]2[/TD]
[TD="class: E1b"]27.5[/TD]
[TD="class: T"]1[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TR]
[TR]
[TD="class: left, width: 130"]Central Greece[/TD]
[TD="class: I1"]3.5[/TD]
[TD="class: I2"]7[/TD]
[TD="class: I2b"]3.5[/TD]
[TD="class: R1a"]11[/TD]
[TD="class: R1b"]11.5[/TD]
[TD="class: G2a"]6[/TD]
[TD="class: J2"]19[/TD]
[TD="class: J1"]3.5[/TD]
[TD="class: E1b"]29.5[/TD]
[TD="class: T"]5[/TD]
[TD="class: Q"]0[/TD]
[TD="class: N1c1"]0[/TD]
[TD="class: samples"]
[/TR]
[/TABLE]
These does not prove at all that J has been such a large component some 500 - 1000 or more years ago.
Probably J exploded very recently from south Balkans, and are now found all over Europe, even in Estonia, Sweden, Norway, Scotland or Latvia.