What makes it feel like home?

I finished my traineeship with ABN on December and then went to Spain for Christmas holidays. I had a lovely time with my family, friends, Emily and Marcio were there to share that time with me, I met Tania and Andrea, which is becoming my Christmas tradition... but despite that I wasn't feeling like at home, it was just a break, a time to relax and to be with my family, but after a while I wanted to come back home, to Amsterdam...

What makes it feel like home? maybe is the city itself, not too big, welcoming, charming... maybe is the fact of having being here for a year an half already and starting to know my way around, where to go, what to do... maybe is the community of friends I have here, more than a group, as they are part of my life here... maybe is the routine I'm starting to have, doing certain things at certain times, and waiting for the next week to come and do it again, enjoying the sense of belonging that comes everytime I do it... or maybe it's just that I have, again, created a new confort zone around me.

If you want to improve you need to challenge yourself, if you want to develop you need to push yourself out of your confort zone... I'm in a different country, in a different situation, with uncertainity all around me, but I have built my confort zone, is this the reason why I came back after Christmas? to feel confortable and secure? It seems that wherever I go I'm able to stablish this confort zone, is this a good or not so good thing?...