GPS problems on several phones this week

Hey, i know several people who have had major problems with GPS this past week - getting positioned in whole different countries, the GPS taking too long to connect etc. It seems to be rather random too, me and my girlfriend had this problem on SGS2, but one of my co-workers for example isn't experiencing any issues.

For reference, i live in Estonia and during lunch today found myself (according to google maps and google now) in Croatia.

Is anyone else experiencing similar problems? I haven't read any news online on this topic, but since it's not only me and not only on Samsung devices, what could the problem be?