Miskolc (UKˈmiːʃkɒlts , USˈmɪʃkoʊlts , ˈmiʃkolt͡s; Czech and Miškovec; Mischkolz; Mishkoltz; Mișcolț) is a city in northeastern Hungary, known for its heavy industry. With a population of 161,265 as of 1 January 2014, Miskolc is the fourth largest city in Hungary (behind Budapest, Debrecen, and Szeged). It is also the county capital of Borsod-Abaúj-Zemplén and the regional centre of Northern Hungary.
The name derives from Miško, Slavic form of Michael. Miškovec → Miskolc with the same development as Lipovec → Lipólc, Lipóc. The name is associated with the Miskolc clan (also Miskóc or Myscouch, Slovak Miškovec, plural Miškovci) named after the settlement or vice versa. Earliest mentions are que nunc vocatur Miscoucy (around 1200), de Myschouch (1225), Ponyt de genere Myscouch (1230), in Miscovcy (1245).
The city lies at the meeting point of different geographical regions – east from the Bükk mountains, in the valley of the river Sajó and the streams Hejő and Szinva. According to the 2001 Census the city has a total area of . The ground level slopes gradually; the difference between the highest and lowest area is about .
The lowest areas are the banks of the river Sajó, with an altitude of . The area belongs to the Great Plain region and is made up of sedimentary rocks. Between the Avas hill and Diósgyőr lies the hilly area of the Lower Bükk () consisting of sandstone, marl, clay, layers of coal, from the tertiary period, and volcanic rocks from the Miocene.
The Central Bükk, a gently sloping mountainous area with an altitude between , is situated between Diósgyőr and Lillafüred; the area is made up of limestone, slate, dolomite and other rocks from the Triassic period. The surface was formed mostly by karstic erosions.
The highest area, the high Higher Bükk bore Bükk Highlands begin at Lillafüred. This mostly consists of sea sediments (limestone, slate, dolomite) from the Paleozoic and Mesozoic, and volcanic rocks like diabase and porphyry. Several caves can be found in the area.