Madrid is the capital city of Spain. It is the largest city in Spain, and the third largest city in the European Union. It is one of the most important cultural destinations in Europe and worldwide, and combines rich heritage with lively, contemporary culture.
For general interest, please visit https://www.esmadrid.com/en
The weather in Madrid in March is quite temperate. You can expect an average temperature of around 10°C, reaching around 16°C on a pleasant day and going down to an average of 4°C in the evening.
The latest weather information can be found here: https://www.accuweather.com/en/es/madrid/308526/weather-forecast/308526