RT Journal Article SR Electronic A1 Kosta, Peter T1 GLOBALIZATION VS. REGIONALIZATION, CODE SWITCHING AND CODE MIXING, CREOLIZATION VS. PIDGINIZATION AS A FORM OF CHANGE IN URBAN SPEECH STYLES JF Bohemica Olomucensia YR 2021 VO 13 IS 2 SP 118 OP 144 DO 10.5507/bo.2021.025 UL https://bohemica.upol.cz/artkey/boh-202102-0007.php AB The aim of this paper is to underline the evolutionary trends of contemporary city speech; it especially focuses on expressions connected with code-switching and code-mixing that are, among other things, related to the language contacts and language varieties. The paper is based on authentic material, namely on recordings collected during the Urban Voices Project.