Oeiras, Portugal

With a population of 171,658, Oeiras may seem like a picturesque suburb, but the reality is an economically prosperous, highly educated hub teeming with multinational corporations. The municipality boasts the highest GDP per capita in Portugal and the second-highest purchasing power, reflecting the entrepreneurial mindset of its residents. However, the municipality's growth has not been without its challenges - the influx of illegal settlements and barrios in the 1970s is a testament to the bureaucratic headaches that can plague development. Ultimately, Oeiras is best suited for those seeking a high standard of living, access to cutting-edge industries, and a concentration of tertiary education attainment.