Ah, you’re from the EU then, I take it? Welcome to Boundless!
Therka Market is the largest ‘settlement’ on Therka. You can find it at 1252, 85, 1872 (you’ll find these coordinates in your locations tab)
From Therka Market, there are a quite a few portal hubs that will take you anywhere you want to go.
There’s Pixel Gate on Solum, that’s always looking to expand. Elop Portas on Elopor - with flowing water, delivered through their aqueducts! And a new town popping up on Andooweem.
Be sure to check the respective forum threads. Some of these towns have themes. As for Therka Market though, feel free to setup shop by any open road!