Day 1 — Dotonbori & Namba Street Food Crawl
Start slow: check into your hotel and head straight for Kuromon Ichiba Market by mid-morning, ideally before 10am when the tour buses arrive. Graze rather than eat a full meal — grilled scallops, a skewer of wagyu, a cup of fresh uni — and expect to spend ¥2,000–3,000 doing so across a dozen stalls.
Walk south into Shinsaibashi and its long covered shopping arcade, then drop down into Dotonbori by early afternoon. Photograph the Glico Man sign and the canal, but don't eat at the stalls directly facing it — walk one block back from the water for better takoyaki and okonomiyaki at local prices.
Mid-afternoon, cross into Amerikamura (America Town) for a change of pace — Osaka's youth fashion and street-art district, full of vintage clothing shops and small cafés, a useful break from the food-focused itinerary.
As evening comes on, Dotonbori is best experienced again after dark, when the neon is at its most spectacular. Have a proper sit-down okonomiyaki dinner — Chibo or Mizuno are reliable, well-known choices — then finish with a walk along the canal.
If you still have room, Namba's izakaya backstreets stay lively past 10pm; a final round of yakitori and a highball is a fitting close to a day built entirely around eating.
Day 2 — Osaka Castle, Umeda & the Sky Building
Morning at Osaka Castle: arrive by 9am to see the keep and moat before the crowds build, and allow an hour inside the museum on Toyotomi Hideyoshi if the history interests you — otherwise the grounds and stone walls are worth the visit alone. The surrounding Nishinomaru Garden is one of the city's best cherry blossom spots in season.
From the castle, take the subway to Umeda (Kita) for lunch — the basement food halls (depachika) of the Hanshin or Daimaru department stores are an underrated lunch option, with extraordinary bento and prepared food at fair prices.
Spend the afternoon around Umeda: browse the department stores, or head up the Umeda Sky Building's floating garden observatory for city views — better saved for late afternoon into sunset, when the light over the Yodogawa river is at its best.
Early evening, walk or subway back toward Shinsaibashi for dinner, or stay in Umeda's Hankyu Sanbangai underground dining area, which has a huge range of casual restaurants at reasonable prices.
If time allows, Osaka's HEP FIVE Ferris wheel, perched on top of a shopping mall in Umeda, gives a different, lower-key night view of the city than the Sky Building — a nice optional close to the day.
Day 3 — Shinsekai, Shitennoji & a Half-Day Trip
Morning: Shinsekai, the retro district around Tsutenkaku Tower. Go up the tower for the view, then commit to a proper kushikatsu lunch — pick two or three of the small, unpretentious counter restaurants clustered around the tower's base and remember the no-double-dipping rule for the shared sauce.
From Shinsekai it's a short walk to Shitennoji Temple, one of Japan's oldest officially administered Buddhist temples, founded in 593 AD — a quiet, much less crowded contrast to the morning's food crawl.
For the afternoon, use Osaka as a base and take a half-day trip: Nara is about 45 minutes away by Kintetsu or JR train and lets you see the free-roaming deer at Nara Park and the Great Buddha at Todai-ji before heading back into the city for the evening. Alternatively, Kobe is 20–30 minutes away for a Kobe beef lunch and views from Mount Rokko.
Back in Osaka by early evening, spend your last hours revisiting whichever neighbourhood you liked best — Dotonbori for a final night of neon and street food, or Umeda for a calmer dinner before an early departure.
If you skip the day trip, Abeno Harukas — Japan's tallest building outside central Tokyo, right next to Shitennoji in Tennoji — has an observation deck that makes a good substitute for an afternoon view, followed by dinner in the surrounding Tennoji district.