Day 1: 1. Visit Osaka Castle: (Attraction) Osaka Castle is a magnificent historical landmark located in Chūō-ku, Osaka. It offers a glimpse into Japan's feudal history and architecture. Spend around 2 hours exploring the castle grounds and the museum inside. [Estimated duration: 2 hours] Address: 1-1 Osakajo, Chuo Ward, Osaka, 540-0002, Japan 2. Explore Dotonbori: (Experience) Dotonbori is a bustling entertainment district known for its vibrant nightlife, street food, and illuminated billboards. Take a leisurely walk along Dotonbori Canal and immerse yourself in the lively atmosphere. Don't forget to try the famous local delicacies such as takoyaki and okonomiyaki. [Estimated duration: 3 hours] Address: Dotonbori, Chuo Ward, Osaka, 542-0071, Japan 3. Visit Shitennoji Temple: (Attraction) Shitennoji Temple is one of the oldest temples in Japan, founded in 593 AD. It boasts beautiful architecture and serene surroundings. Take your time exploring the temple grounds, including the main hall, pagoda, and garden. [Estimated duration: 1-2 hours] Address: 1-11-18 Shitennoji, Tennoji Ward, Osaka, 543-0051, Japan Google Maps link for Day 1: https://www.google.com/maps/dir/1-1+Osakajo,+Chuo+Ward,+Osaka,+540-0002,+Japan/Dotonbori,+Chuo+Ward,+Osaka,+542-0071,+Japan/1-11-18+Shitennoji,+Tennoji+Ward,+Osaka,+543-0051,+Japan/

Day 2: 1. Explore Kuromon Ichiba Market: (Experience) Kuromon Ichiba Market is a bustling and lively market known for its fresh seafood and local produce. Wander through the market stalls, try some street food, and soak in the vibrant atmosphere. [Estimated duration: 2 hours] Address: 2 Chome-4-1 Nippombashi, Chuo Ward, Osaka, 542-0073, Japan 2. Visit Osaka Aquarium Kaiyukan: (Attraction) Osaka Aquarium Kaiyukan is one of the largest aquariums in the world, housing a diverse range of marine species. Spend a few hours exploring the various exhibits, including the impressive central tank that recreates the Pacific Ocean ecosystem. [Estimated duration: 2-3 hours] Address: 1-1-10 Kaigandori, Minato Ward, Osaka, 552-0022, Japan 3. Discover Shinsekai: (Experience) Shinsekai is a vibrant neighborhood with a retro atmosphere. It is known for its iconic Tsutenkaku Tower and offers a glimpse into the past with its traditional shops and restaurants. Explore the area, try local delicacies, and enjoy the view from the observation deck of Tsutenkaku Tower. [Estimated duration: 3 hours] Address: Ebisucho, Naniwa Ward, Osaka, 556-0002, Japan Google Maps link for Day 2: https://www.google.com/maps/dir/2+Chome-4-1+Nippombashi,+Chuo+Ward,+Osaka,+542-0073,+Japan/1-1-10+Kaigandori,+Minato+Ward,+Osaka,+552-0022,+Japan/Ebisucho,+Naniwa+Ward,+Osaka,+556-0002,+Japan/

Day 3: 1. Visit Osaka Museum of History: (Attraction) Osaka Museum of History provides insights into Osaka's rich history and culture. Explore the exhibits, which include scale models of ancient Osaka and artifacts from different eras. The museum offers panoramic views of Osaka from its rooftop observatory. [Estimated duration: 2-3 hours] Address: 4-1-32 Otemae, Chuo Ward, Osaka, 540-0008, Japan 2. Explore Umeda Sky Building: (Attraction) Umeda Sky Building is a stunning architectural landmark in Osaka. Take an elevator ride to the observatory deck, known as the "Floating Garden Observatory," and enjoy panoramic views of the city. The building also houses restaurants and a unique rooftop garden. [Estimated duration: 1-2 hours] Address: 1-1-88 Oyodonaka, Kita Ward, Osaka, 531-6023, Japan 3. Enjoy a Hanami Picnic at Osaka Castle Park: (Experience) If visiting during cherry blossom season (usually late March to early April), head to Osaka Castle Park for a delightful hanami (flower viewing) experience. Rent a picnic mat, admire the blooming cherry blossoms, and enjoy a relaxing time under the beautiful trees. [Estimated duration: 2-3 hours] Address: 1-1 Osakajo, Chuo Ward, Osaka, 540-0002, Japan Google Maps link for Day 3: https://www.google.com/maps/dir/4-1-32+Otemae,+Chuo+Ward,+Osaka,+540-0008,+Japan/1-1-88+Oyodonaka,+Kita+Ward,+Osaka,+531-6023,+Japan/1-1+Osakajo,+Chuo+Ward,+Osaka,+540-0002,+Japan/ Please note that the provided itinerary is a suggestion, and it is recommended to check the opening hours and any travel restrictions due to the current circumstances.