The case study attempts to review older opinions on the mostly negative impact of the nobility settling down in Hungarian towns. On the example of the free royal city of Trnava (Nagyszombat, Tyrnau), the author analyses the political and economic activities and the lifestyle of the nobility. By the 17th century the towns became temporary or permanent places of residence of the nobility, places where they received education, held official functions, spent their free time, acquired luxurious or precious goods and, last but not least, it was a place where they presented themselves. In detail, the study also deals with development of the tax rates for the nobility in the 17thand 18th centuries and their strategies to avoid paying taxes.