In this talk I want to explain how Calabi-Yau geometries enter in Feynman integral computations. For this I will first give an introduction to Calabi-Yaus explaining the most relevant concepts in the context of Feynman integrals. Then I will give several examples of Feynman integrals corresponding to certain Calabi-Yau geometries. We will see that the properties of Calabi-Yaus will give us not only the appropriate functions the Feynman integrals evaluate to but also insights to find boundary conditions for them.