Celebrations and dining reservations are available to suit your party size and occasion.
Koji Dining 39 Citrus is a Japanese restaurant in Aridagawa, Wakayama, specializing in fermented kaiseki cuisine. We offer kaiseki courses featuring Kishu fermentation culture inspired by the koji connected to Yuasa soy sauce, seasonal fish from the Kuroshio Current, and Japanese Black beef. We warmly welcome you for okuizome, engagement meetings, longevity celebrations, anniversaries, memorial gatherings, business entertaining, year-end parties, and banquets in Aridagawa.
In the evening, à la carte dining is also available if seats are open (limited to 2 parties per day across all platforms, for groups of 2 to 4 guests). Please call us on the day to confirm availability.
To prepare the best seating and dishes for your needs, we recommend making a reservation.
How to Choose Your Course
All prices include tax, per person.
5,500 yen: Banquet Kaiseki Course (9 dishes, for banquets of up to 35 guests). Recommended for couples’ or family meals and year-end parties. All-you-can-drink is available for an additional 2,750 yen per person.
7,700 yen: Kaiseki Course Featuring Five Seasonal Delicacies from the Kuroshio and Sea Bream Okowa with Foamy Cloud Sauce (9 dishes). Recommended for engagement meetings (4 to 10 guests), anniversaries, and longevity celebrations. If you are unsure, this is our standard recommendation.
9,900 yen: Special Kaiseki Course with Celebratory Grilled Sea Bream and Japanese Black Beef (9 dishes). Ideal for birthdays, longevity celebrations, and family milestones.
13,000 yen: Special Kaiseki Course with Seasonal Premium Seafood and Japanese Black Beef (9 dishes). Recommended for business entertaining and important guests visiting from afar.
8,800 yen: Awaji Island 3-Year Tiger Pufferfish Course (7 dishes, from 2 guests, available from October to early April). Includes tessa, karaage, and tetchiri. Shirako may be added from December for 2,200 yen per person. As quantities are limited this season, we will call you after your reservation to confirm availability.
3,300 yen: Earthen Pot Sea Bream Rice and Koji Lunch Set (6 dishes, lunch on Sundays, Mondays, Thursdays, and Fridays). Features freshly cooked sea bream rice, sashimi, and our signature chawanmushi. Available from 2 guests, limited to 12 guests per day.
Reservation Deadlines
Standard kaiseki courses: by 9:00 PM the day before for dinner, and by 9:00 PM two days before for lunch
For groups of 10 or more: by 9:00 PM three days before
If an individual course has an earlier deadline, that deadline takes priority.
Awaji Island 3-Year Tiger Pufferfish Course: by 9:00 PM three days before your visit
Earthen Pot Sea Bream Rice and Koji Lunch Set: by 3:00 PM the previous day
Groups of 10 or more: by 9:00 PM three days before your visit
If using Aridagawa hometown tax donation meal vouchers: by 9:00 PM three days before your visit
Cancellation fees for standard kaiseki courses are 50% the day before and 100% on the day of the reservation or in the case of a no-show. For plans with separate cancellation policies, please check the terms of each plan. Reservations already confirmed are subject to the conditions in effect at the time of booking.
Hours
Lunch 11:30 AM–2:00 PM (L.O. 1:30 PM) / Dinner 6:00 PM–10:00 PM (L.O. 9:30 PM). Last entry for dinner is 7:30 PM. Approximate dining time is 90 minutes for lunch and 180 minutes for dinner. Closed Wednesdays through November 10, 2026; irregular holidays from November 11 onward. Please check the reservation calendar for business days and availability.
Phone: 0737-52-3939 (受付 11:00〜22:00)
Seating
41 seats in total. Sunken kotatsu-style tatami seating and raised tatami seating are available (up to 15 guests). The inner tatami room is a fully private room for up to 25 guests (smoking permitted; guests under 20 years old are not allowed). All other seating is non-smoking. Connecting the sunken kotatsu seats creates a non-smoking private room for up to 16 guests. Full-restaurant buyouts are available for up to 35 guests.
Access and Parking
215-5 Kojima, Aridagawa-cho, Arita-gun, Wakayama 643-0034. Located just north of Nishioka Hospital, in a standalone house beneath the JR railway overpass. Parking for 20 cars (5 spaces in front of the restaurant and 15 at the rear). About 5 minutes by car from Arita IC, about 5 minutes by car from Fujinami Station, and about 45 minutes by car from Kansai Airport. Also ideal for a meal while traveling to or from Koyasan or Shirahama.
Payment
Cards: Visa, Mastercard, JCB, AMEX, Diners, Discover, UnionPay
QR and mobile payments: PayPay, d払い, 楽天ペイ, au PAY, メルペイ, J-Coin Pay, Alipay, WeChat Pay, UnionPay QR, JKOPAY
Frequently Asked Questions
Q. Can I visit without a reservation?
A. À la carte dinner service is available if seats are open (limited to 2 parties per day, for groups of 2 to 4 guests). We recommend calling before your visit to confirm availability. Kaiseki courses and lunch sets each have their own reservation deadlines.
Q. Is parking available?
A. Yes, parking is available for 20 cars.
Q. Which course should I choose?
A. If you are unsure, we recommend starting with the 7,700 yen kaiseki course.
About Koji Dining 39 Citrus
The 39 in our name represents gratitude, Citrus reflects Arida’s local citrus fruits, and Koji expresses the spirit of fermentation connected to Yuasa soy sauce. We strive to be a restaurant where you can confidently bring someone important, and a place you can trust with your most meaningful moments.
Additional Information
Menu items may change without notice depending on seasonal availability and ingredient sourcing. Business hours may also change, or the restaurant may close temporarily, due to weather conditions or public transportation disruptions.