Final answer:
Wiltz and Diekirch are cities in Luxembourg, a small and affluent Western-aligned European country situated between Belgium, France, and Germany.
Step-by-step explanation:
The cities of Wiltz and Diekirch are located in a small Western-aligned country known for its high standard of living and strategic position in Europe. This country, often recognized for its political stability and economic strength within the European Union, is Luxembourg.
Luxembourg is nestled between several other Western-aligned countries, including Belgium, France, and Germany. Diekirch and Wiltz, in particular, are found in the northern part of Luxembourg, a region known for its picturesque landscapes and historic sites.