The capital of Prague has made another step towards becoming one of the world’s Smart Cities. It has done so thanks to a unified data platform that forms a fundamental part of the Smart Prague concept. This project will ensure data transmission, storage, processing, publishing and practical use for a more efficient city management. Chicago is one of the Prague’s partner cities and it is internationally considered one of the leaders of the Smart Cities movement. The project of data collection and analysis, which make city operations more efficient, commenced in the north of the USA three years ago.