I need recommendations for my 1st solo trip as a woman

Title: Best First Solo Destination for Women: Japan, Portugal, or South Korea?

Choosing a first solo trip as a woman can be daunting, so I’m weighing three promising options and would love thoughtful guidance on which destination might be the best fit.

Japan
– Draws me with its reputation for safety and orderly behavior, which is especially appealing to a solo female traveler.
– Excited by the blend of modern cities and traditional culture, outstanding cuisine, and efficient public transportation.

Portugal
– Appealing for its welcoming, relaxed vibe and relative affordability within Western Europe.
– Attracted to the beautiful coastlines, historic cities, favorable weather, and an active solo-travel community.

South Korea
– Intrigued by dynamic city life, fashion, nightlife, and a rich food scene.
– Appears very safe, technologically advanced, and supportive of solo travelers, with abundant opportunities in both urban settings and nature.

Which of these destinations would you recommend for a woman traveling alone, and why? I’m looking for practical insights on safety, accessibility, cost, and the overall solo-travel experience to help inform my choice.