We were two couples with two infants and a toddler. Carmen’s kids’ rooms opened an entire universe for our kids to play in (tons of toys and books). The apartment is conveniently located very near public transport so you are in downtown Vienna in 15 min. Very warm and spacious apartment, nicely decorated to make it very familiar. There are many personal belongings of Carmen’s family in the apartment but that didn’t bother us.
Bottom line: we had an excellent time there and New Years Eve in Vienna made it special.