There are quite some places nearby that are worth visiting. Including historical and natural monuments, good food, fun parks, sports attractions, and more. Do a little research before you arrive:
https://www.istra.hr/
https://baredine.com/en/
https://istralandia.com/
https://www.valamarcamping.com/sl/istra/porec/nasveti
https://www.aquacolors.eu/
https://www.aquapark-porec.com/en
https://www.tripadvisor.com/Attractions-g295373-Activities-c47-Pula_Istria.html
https://visitkastelir-labinci.croatia.hr/en-gb