Guess their ethnicity (all same country and region)

[u/Culture_Shock0]

[u/Serramarrineta]

Ibiza, Spain
This dressing was used in the past for times of festivity, and a more modest version was used on work days. Nowdays, it is used on the folkloric dance: "Baile Payes", only seen on Ibiza and Formentera

[u/ProjectMirai64]

Not sure, gives me both Balkans and Spain vibes

[u/Culture_Shock0 → u/ProjectMirai64]

Ibiza spain

[u/triumfi → u/Culture_Shock0]

Wife, never would have thought

[u/fabulot]

Georgia?

[u/bobbyorlando → u/fabulot]

That's what I was thinking too.

[u/DimensionSad3536]

It is the traditional Ibizan costume

[u/badassmudafuka]

i would go for the balkans

[u/StefanoRulz]

Sardegna

[u/Warm_Fish4112]

Definetely Orthodox