In the book 'Barcelona/Madrid', geographer Oriol Nel.lo and architect Agustín Hernández Aja provide a comparative analysis of Madrid and Barcelona, exploring their unique social and urban landscapes shaped by historical and geographical factors. The authors delve into the territorial and orographic conditions that influenced the development of both cities, discussing how demographic and economic trends have evolved over time.

The book raises critical questions regarding past political decisions that have impacted urban density, housing crises, and social inequalities in both metropolises. It aims to foster a dialogue beyond political disputes, encouraging readers to understand the complexities that underline the growth and challenges faced by Madrid and Barcelona.

The initiative highlights the importance of interdisciplinary approaches in urban studies, as well as the need for critical reflection on previous governance strategies. The authors strive to address current issues such as social disparities and the housing crisis, while also contemplating future paths towards equity and better urban living conditions.