Boyan welcomes you to his guest house for cyclists and other adventurers! He offers lodging and a tent with a mattress that you can book on booking.com, but you can also bring your own tent and set up camp for a free price.
There's a shower, toilet, kitchen, bike repair shop, and tennis court. Everything is very clean.
Boyan is very friendly and welcoming; it's a pleasure to chat with him! He's met many travelers and has plenty of stories to tell. He also has a small library on the theme of cycle touring/bikepacking.
On booking.com, he's called "Urban Guerrilla."