We really enjoyed our stay i San Sebastián/Donostia. The apartment is great and located in a very calm neighbourhood aprox 30 min walk from the city center. But with the bus (only 3 min away) you can reach Parte Vieja in 10 min. The apartment is also very close to the near by town Pasaia, from there you can hike through the mountain back to San Sebastián. We had a very pleasant stay in both Leires apartment and in Donostia :)