Fejér County in the context of "Pest (county)"

Pest (Hungarian: Pest vármegye, pronounced [ˈpɛʃt]; German: Komitat Pest) is a county (vármegye) in central Hungary. It covers an area of 6,393.14 square kilometres (2,468.41 sq mi), and has a population of 1,339,090 (2023). The suburbs of Budapest surrounds the national capital Budapest and is the county's largest administrative unit (13.8%/1.3 million in 2013). It shares borders with Slovakia and the Hungarian counties Nógrád, Heves, Jász-Nagykun-Szolnok, Bács-Kiskun, Fejér, and Komárom-Esztergom. The River Danube flows through the county. The capital of Pest County is Budapest, although Budapest is not part of Pest County. Starting 2018, they also constitute different NUTS:HU level 2 regions, as previously Pest County has lost catch-up aids from the European Union because of the high development of Budapest.

Komárom-Esztergom (Hungarian: Komárom-Esztergom vármegye, pronounced [ˈkomaːrom ˈɛstɛrɡom]; German: Burgkomitat Komorn-Gran; Slovak: Komárňansko-ostrihomská župa) is an administrative Hungarian county in Central Transdanubia Region; its shares its northern border the Danube with Slovakia. It shares borders with the Hungarian counties of Győr-Moson-Sopron, Veszprém, Fejér and Pest and the Slovakian Nitra Region (Nové Zámky District, Komárno District). Its county seat is Tatabánya.

There are eight statistical regions of Hungary, These regions consist of the 19 Counties of Hungary and the capital city. There were seven regions created in 1999 by the Law 1999/XCII amending Law 1996/XXI but since 2018 the capital Budapest has left the Central Hungary region and become its own region.

• Northern Hungary includes the counties Borsod-Abaúj-Zemplén, Heves and Nógrád.
• Northern Great Plain includes the counties Hajdú-Bihar, Jász-Nagykun-Szolnok, and Szabolcs-Szatmár-Bereg.
• Southern Great Plain includes the counties Bács-Kiskun, Békés and Csongrád-Csanád.
• Central Hungary includes the county of Pest.
• Budapest includes the capital Budapest.
• Central Transdanubia includes the counties Komárom-Esztergom, Fejér and Veszprém.
• Western Transdanubia includes the counties Győr-Moson-Sopron, Vas, Zala.
• Southern Transdanubia includes the counties Baranya, Somogy and Tolna.