Need some help in deciding – what would be a better trip for me in Europe in December?

Title: Choosing a December European Escape: Central Europe Christmas Markets or a Southern Island-Hopping Route?

Planning a week-long solo European trip around Christmas (December 19–26) and seeking a unique, enriching experience. As a 26-year-old traveler from India, I’m drawn to places that others might not readily consider joining me on, placing a premium on novelty and individuality.

Two potential itineraries have caught my eye:

Option 1: Prague → Vienna → Budapest
– Focus: Central Europe in the festive season
– Attractions I’m excited about: Christmas markets, a potential “Winter Wonderland” vibe, a lively beer and nightlife scene, and the indisputable beauty of Prague
– Considerations: Very cold weather (for someone from a warmer climate) and short daylight (sunset around 4 PM). Snow is not guaranteed in December, which tempers the seasonal magic for some. Prague’s beauty is widely celebrated, but the overall experience hinges on the weather and market activity.

Option 2: Malta → Sicily
– Focus: A more relaxed, sun-kissed December with historical depth
– Attractions I’m excited about: Rich history in Valletta and Syracuse, palates likely to enjoy excellent food, and a potential Mt. Etna trek
– Considerations: The Christmas atmosphere and festive vibe may be less pronounced, potentially reducing the sense of novelty some travelers seek during the holidays.

What I’m hoping to hear:
– Suggestions for third European destinations or alternative itineraries that balance unique experiences, festive atmosphere, and comfortable weather.
– Practical tips for December travel, including weather expectations, daylight hours, and crowd levels in these regions.
– Any must-see hidden gems or off-the-beaten-path experiences that align with a solo traveler seeking distinctiveness.

If you have recommendations or a preferred route that blends cultural depth, seasonal ambiance, and a touch of adventure, I’d love to hear them.