Staying a few days in Urubamba makes great sense if you are flying in from lower altitudes. As its a bit lower than Cusco it gives you a chance to get used to the altitude before attempting Machu Picchu or exploring Cusco.
The hostel, at an incredibly cheap US$18 per night, was fantastic value for money. Michael Holberton, (an Australian) met us at the airport in Cusco. We were made feel very welcome by everyone. Although unspectacular from the street , once through the gates you are transported to a beautiful peaceful garden. Our room was simple, fresh and clean with had private facilities and incredibly, at this price, serviced daily. We were served breakfast, at small extra cost, by the young resident family who look after the place. While Michael and Raul speak English, this couple have no English, so having a little Spanish is useful, but not imperitive.
Urubamba is a nice little town with a market and a main square but not a tourist destination in itself. We felt very safe walking around both day and night - although a ride on a motor taxi is great fun and also recommended. We loved the restaurant Huacati and ate there a number of times. I would also recommend having a coffee in Cafe Cusco overlooking the main square, where you can sit in the window upstairs and just watch life go by.
There are many things to explore in the surrounding area. The Sunday market and Incan temple, (now a church), in Chinchero are well worth a visit. So are the saltmines at Maras and Incan agricultural experiment at Moray. The owner of the hostel, Raul, is very helful and will organise a reliable, safe taxi driver to visit these places. We also hired Michael's immaculately maintained bicycles and rode out to the next couple of villages. This is a great way to see the countryside. (I'm 60). There are also a lot more challenging rides available for the very fit.
There are also walks you can do in the area. We got a taxi up to the end of the road past a village called Chicun and then walked back to Urubamba, passing people working on their farms like scenes from an old nursery rhyme. Again if you are young and fit you can walk futher up this valley to the glacier.
Michael was able to pre-book tickets for us on the vistodome train from Urubamba to Aguas Calientes for us. We had the best seats on the train - (1 and 2) right at the front. The station is just a short inexpensive 2 minute ride in a motor taxi from the hostel.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC