The debt of local government units (LGU) is part of the public debt. Therefore, the analysis of the phenomenon of local government debt is important for the financial security of the state. In Poland, in the period 2007–2013, the debt of local government units rapidly increased, in particular in the major cities with poviat rights – metropolises. Due to the dual nature of metropolises, they perform many important tasks in the social and infrastructure sphere that determine the quality of life of their residents and contribute to the socio-economic development of the region and metropolitan areas. However, an excessive increase in debt of the metropolis may in the future be a barrier to achieving a high rate of socio-economic development. The aim of the paper is to analyze the phenomenon of indebtedness in the largest cities with poviat rights – metropolises – in Poland in the years 2007–2013. The study draws on publicly accessible databases compiled by the Ministry of Finance (Wskaźniki do oceny sytuacji fiansowej jednostek samorządu terytorialnego).