It's in the middle of the lively Beşiktaş district and is a very safe area. An excellent location. Perfect transport links by boat on Bosphorus, buses, taxis, within easy walking distance to many, many lovely restaurants, bars, cafes, plenty of shopping facilities for all budgets and tastes. Easy to reach for all famous sights and attractions.
I stayed here as a lone female passenger on business trip and it exceeded my expectations. Definitely recommend. I would stay here again.