The first thing to do when you set up your main residence, and therefore your tax residence, in Portugal is to register with the Portuguese social security system. If you're employed by a local company, you don't need to worry about this; your employer will take care of registering you with social security. However, for your children and spouse, you'll have to take care of this yourself. Social security in Portugal, how to get it Health center The health center (centro de saúde) provides access to the national health service in Portugal...