https://en.wikipedia.org/wiki/Counties_of_Croatia
Croatia has 4 seats.
Split: Dubrovnik-Neretva, Lika-Senj, Šibenik-Knin, Split-Dalmatia, Zadar
Rijeka: Primorje-Gorski Kotar, Istria, Karlovac, Sisak-Moslavina, Bjelovar-Bilogora
Vukovar: Vukovar-Srijem, Vukovar-Srijem, Brod-Posavina, Požega-Slavonia, Virovitica-Podravina, Koprivnica-Križevci, Krapina-Zagorje, Varaždin, Međimurje
Zagreb: Zagreb City, Zagreb County
https://en.wikipedia.org/wiki/Counties_of_Hungary
Hungary has 10 seats.
Budapast-Nyugat: the western portions of Budapast
Budapast-Keleti: the eastern portions of Budapast
Budapast-Kulso: Pest
Debrecen: Szabolcs-Szatmár-Bereg, Hajdú-Bihar
Miskolc: Borsod-Abaúj-Zemplén, Nógrád
Tisza: Jász-Nagykun-Szolnok, Heves, Békés
Szeged: Csongrád, Bács-Kiskun
Győr: Vas, Győr-Moson-Sopron, Komárom-Esztergom
Pécs: Fejer, Tolna, Baranya
Szombathely: Somogny, Zala, Veszprom