stamping ground
noun
• a place where someone regularly spends time; a favourite haunt.
• "they fear that rich trendsetters will encroach on their favourite stamping ground"
Similar:
hang-out,
haunt,
meeting place,
territory,
domain,
purlieu,
resort,
den,
retreat,
favourite spot,
hidey-hole,
local,
patch,
manor,
