First practical matters
The first few weeks you'll be busy with lots of practical things, such as your furniture, food and insurance.
In every municipality there is a (welfare) organization that will help you do this.

Getting to know your environment
Once the first practical things are taken care of, a local welfare organization will help you get started. With them you will get to know your town or village better, such as sports, volunteering and local organizations.
In each municipality, a different organization does that:
Social Card Integration