Official logo of Couchsurfing Kraków community which is one of the largest Couchsurfing groups in the world. Logo shows crown and very popular church - St. Mary's Basilica. Kraków is the city of kings, that's why there's a crown.

 

This is modified version of official Couchsurfing Organization logo. Their license allows creating community logos using Couchsurfing logo.

The logo is used on t-shirts, banners, invitation cards and advertisements. This is one of the invitation cards that uses my logo. :)