prostirati

1. (prostirati se) to stretch; to extend
   Park se prostire na dvadeset hektara. — The park covers twenty hectares.
   Ispred nas se prostirala velika ravnica. — A vast plain stretched out before us.
2. to spread; to lay out
   Baka uvek prostire beli stolnjak nedeljom. — Grandma always spreads a white tablecloth on Sundays.
   Deca prostiru ćebe po travi. — The kids are spreading a blanket on the grass.
3. (of laundry) to hang out
   Mama prostire veš na terasi. — Mom is hanging out the laundry on the balcony.

In the sense "to extend" it takes "se": "prostire se na…" means "covers an area of…".