Recently there has been much progress in understanding supersymmetric field theory on curved space. In my talk, I will focus on three dimensional N=2 theories in squashed sphere and S2xS1. Recent studies observed that the partition functions in a class of the 3d N=2 theories consist of the same building blocks, which are essentially vortex parition functions. I will explain how we have directly derived this structure by a new type of localization (“Higgs branch localization”) in more wide class of theories. If I have a time, I will also discuss supersymmetric Wilson loop.