I have been in this boat many times! Sometimes you can find someone willing to look after doggies in their home. It all depends on how friendly your little one is. As most dog lovers already have one or two

There is a thread on pet sitting swap as well. If your little fellow is quite friendly, and you are quite attached, I would suggest
http://hundeabenteuerland.ch/ The woman in charge is Agata, and very friendly and nice! She posts pictures of the dogs during their stay so you can see what fun they are up to. I used them for my baby until I got a new problem child, and he is not so friendly. Now we use
http://www.tierferienheim.com/ as well. They are very nice, and will even do pickup/drop off. However they do kennels, and not as much socializing, or outings. Also, if a socialized, and relaxed stay is what you want and Agata is full ask for Tania's number. She does the same style.