Bologna is generally more expensive than Sophia. This conclusion is based on various factors such as cost of living, housing prices, and economic indicators.

Bologna, the capital city of the Emilia-Romagna region in Italy, is known for its rich history, cultural heritage, and culinary delights. The city boasts a high cost of living, which is reflected in the prices of goods and services. According to Numbeo, the cost of living in Bologna is 33.8% higher than in Sophia, a city in Bulgaria. This difference is primarily due to the higher prices of housing, transportation, and groceries in Bologna.

Housing prices in Bologna are particularly high. According to the European House Price Index, the average price of a square meter in Bologna is €2,770, which is significantly higher than the average price of €1,070 in Sophia. This discrepancy is largely due to the limited availability of housing in Bologna, driven by its growing population and popularity as a tourist destination.

In addition to housing, transportation costs are also higher in Bologna. The city has a comprehensive public transportation system, but fares are more expensive compared to Sophia. According to Numbeo, the monthly cost of public transportation in Bologna is €36.5, while in Sophia, it is €15. This difference is mainly due to the higher cost of living in Bologna.

Furthermore, the cost of groceries and dining out is also higher in Bologna. According to Numbeo, the average price of a meal in a mid-range restaurant in Bologna is €25, while in Sophia, it is €10. Similarly, the average price of a liter of milk in Bologna is €0.89, compared to €0.47 in Sophia. These differences highlight the overall higher cost of living in Bologna.

In conclusion, Bologna is more expensive than Sophia due to factors such as higher housing prices, transportation costs, and the general cost of living. This analysis is supported by data from Numbeo and the European House Price Index, which provide a comprehensive overview of the economic conditions in both cities.